17072044920000 has 1680 divisors, whose sum is σ = 76799303856000. Its totient is φ = 3696585984000.

The previous prime is 17072044919887. The next prime is 17072044920067. The reversal of 17072044920000 is 2944027071.

17072044920000 is a `hidden beast` number, since 1 + 7 + 0 + 7 + 2 + 0 + 449 + 200 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1680).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1005471511 + ... + 1005488489.

Almost surely, 2^{17072044920000} is an apocalyptic number.

17072044920000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17072044920000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38399651928000).

17072044920000 is an abundant number, since it is smaller than the sum of its proper divisors (59727258936000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17072044920000 is a wasteful number, since it uses less digits than its factorization.

17072044920000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17053 (or 17015 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

Adding to 17072044920000 its reverse (2944027071), we get a palindrome (17074988947071).

The spelling of 17072044920000 in words is "seventeen trillion, seventy-two billion, forty-four million, nine hundred twenty thousand".